Exec Rear Seat APP for Radio Controls?

I've read that with the Exec Rear Seats (ERSs) option, that the Tesla app allows the rear occupants to change the radio stations.

Can the front seat passenger (my wife) do that if we don't get the ERSs? I realize she could reach up and change the stations, but I'm trying to find anything I can to sell her on the car - or get her to like it more.

Thanks Blu. The wife wanted a corvette (Z06). We're mid-40s and have a 16 year old. We need to have a back seat still. I told her when Chevy offers the electric drivetrain in the Vette, we'll get it then.

I have the rear exec seats and am waiting for the app. This was the answer I got two days ago when I inquired about the app:

"Currently the app you are referring to with regard to controlling the rear seats, media and roof is not available. It appears to be an app that will be released in the near future but unfortunately we don’t have an expected date at this time."